Radar Tracking Campaigns for ESA CO-VI

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It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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Space Daily
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Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, viagra 60mg
this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.

Amateur skywatchers help space hazards teamScience Daily (press release)

all 6 news articles »

It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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Space Daily
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Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, viagra 60mg
this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.

Amateur skywatchers help space hazards teamScience Daily (press release)

all 6 news articles »

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Military Tracks Errant Satellite for NASA
Department of Defense
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which reports to US Strategic Command, also maintains “space situational awareness” in support of national security, said Jeremy Eggers, public affairs director for the operations center. As part of that mission, the center is gathering

Final Grave of Fallen NASA Satellite May Stay a MysterySpace.com
Dahlgren keeping an eye on dead satelliteFredericksburg.com (blog)
Vague Predictions as Satellite Falls to EarthVoice of America
Newswise (press release) –msnbc.com
all 5,774 news articles »

It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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Space Daily
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Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, viagra 60mg
this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.

Amateur skywatchers help space hazards teamScience Daily (press release)

all 6 news articles »

disinfection
sans-serif”>
The Hindu
cialis
sans-serif”>

Military Tracks Errant Satellite for NASA
Department of Defense
The center, viagra dosage
which reports to US Strategic Command, also maintains “space situational awareness” in support of national security, said Jeremy Eggers, public affairs director for the operations center. As part of that mission, the center is gathering

Final Grave of Fallen NASA Satellite May Stay a MysterySpace.com
Dahlgren keeping an eye on dead satelliteFredericksburg.com (blog)
Vague Predictions as Satellite Falls to EarthVoice of America
Newswise (press release) –msnbc.com
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Russia Races to Save Mars Moon Probe from Space Junk Fate
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Spacecraft crash could be toxicWinnipeg Free Press
Russia yet to make contact with Mars moon probeRIA Novosti

all 246 news articles »

It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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Space Daily
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Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, viagra 60mg
this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.

Amateur skywatchers help space hazards teamScience Daily (press release)

all 6 news articles »

disinfection
sans-serif”>
The Hindu
cialis
sans-serif”>

Military Tracks Errant Satellite for NASA
Department of Defense
The center, viagra dosage
which reports to US Strategic Command, also maintains “space situational awareness” in support of national security, said Jeremy Eggers, public affairs director for the operations center. As part of that mission, the center is gathering

Final Grave of Fallen NASA Satellite May Stay a MysterySpace.com
Dahlgren keeping an eye on dead satelliteFredericksburg.com (blog)
Vague Predictions as Satellite Falls to EarthVoice of America
Newswise (press release) –msnbc.com
all 5,774 news articles »

hospital
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Russia Races to Save Mars Moon Probe from Space Junk Fate
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"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage," Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in
Spacecraft crash could be toxicWinnipeg Free Press
Russia yet to make contact with Mars moon probeRIA Novosti

all 246 news articles »

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Space Daily
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Near-Earth Asteroid Discovered via Crowdsourcing
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Amateur astronomers spot asteroid moving toward EarthBrahmand Defence and Aerospace News

all 7 news articles »

It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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Space Daily
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Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, viagra 60mg
this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.

Amateur skywatchers help space hazards teamScience Daily (press release)

all 6 news articles »

disinfection
sans-serif”>
The Hindu
cialis
sans-serif”>

Military Tracks Errant Satellite for NASA
Department of Defense
The center, viagra dosage
which reports to US Strategic Command, also maintains “space situational awareness” in support of national security, said Jeremy Eggers, public affairs director for the operations center. As part of that mission, the center is gathering

Final Grave of Fallen NASA Satellite May Stay a MysterySpace.com
Dahlgren keeping an eye on dead satelliteFredericksburg.com (blog)
Vague Predictions as Satellite Falls to EarthVoice of America
Newswise (press release) –msnbc.com
all 5,774 news articles »

hospital
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Sydney Morning Herald
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Russia Races to Save Mars Moon Probe from Space Junk Fate
Space.com
"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage," Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in
Spacecraft crash could be toxicWinnipeg Free Press
Russia yet to make contact with Mars moon probeRIA Novosti

all 246 news articles »

cardiology
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Space Daily
malady
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Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.
Amateur astronomers spot asteroid moving toward EarthBrahmand Defence and Aerospace News

all 7 news articles »

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Debris Prompts Space Station Crew to Seek Shelter
NewsMax.com
The US military's Space Surveillance Network tracks objects as small as two inches in diameter in orbits close to Earth, such as where the space station flies, and about one yard in orbit in higher orbits.
Space Station Crew Scrambles as Debris Passes NearbyNew York Times
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all 600 news articles »

It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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Space Daily
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Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, viagra 60mg
this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.

Amateur skywatchers help space hazards teamScience Daily (press release)

all 6 news articles »

disinfection
sans-serif”>
The Hindu
cialis
sans-serif”>

Military Tracks Errant Satellite for NASA
Department of Defense
The center, viagra dosage
which reports to US Strategic Command, also maintains “space situational awareness” in support of national security, said Jeremy Eggers, public affairs director for the operations center. As part of that mission, the center is gathering

Final Grave of Fallen NASA Satellite May Stay a MysterySpace.com
Dahlgren keeping an eye on dead satelliteFredericksburg.com (blog)
Vague Predictions as Satellite Falls to EarthVoice of America
Newswise (press release) –msnbc.com
all 5,774 news articles »

hospital
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Sydney Morning Herald
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Russia Races to Save Mars Moon Probe from Space Junk Fate
Space.com
"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage," Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in
Spacecraft crash could be toxicWinnipeg Free Press
Russia yet to make contact with Mars moon probeRIA Novosti

all 246 news articles »

cardiology
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Space Daily
malady
sans-serif”>

Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.
Amateur astronomers spot asteroid moving toward EarthBrahmand Defence and Aerospace News

all 7 news articles »

this
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Sydney Morning Herald
cardiologist
sans-serif”>

Debris Prompts Space Station Crew to Seek Shelter
NewsMax.com
The US military's Space Surveillance Network tracks objects as small as two inches in diameter in orbits close to Earth, such as where the space station flies, and about one yard in orbit in higher orbits.
Space Station Crew Scrambles as Debris Passes NearbyNew York Times
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Russia Races to Save Mars Moon Probe from Space Junk Fate
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"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage, sales
" Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in

Russia yet to make contact with Mars moon probeRIA Novosti

all 101 news articles »

It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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Space Daily
cure sans-serif”>

Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, viagra 60mg
this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.

Amateur skywatchers help space hazards teamScience Daily (press release)

all 6 news articles »

disinfection
sans-serif”>
The Hindu
cialis
sans-serif”>

Military Tracks Errant Satellite for NASA
Department of Defense
The center, viagra dosage
which reports to US Strategic Command, also maintains “space situational awareness” in support of national security, said Jeremy Eggers, public affairs director for the operations center. As part of that mission, the center is gathering

Final Grave of Fallen NASA Satellite May Stay a MysterySpace.com
Dahlgren keeping an eye on dead satelliteFredericksburg.com (blog)
Vague Predictions as Satellite Falls to EarthVoice of America
Newswise (press release) –msnbc.com
all 5,774 news articles »

hospital
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Sydney Morning Herald
try
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Russia Races to Save Mars Moon Probe from Space Junk Fate
Space.com
"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage," Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in
Spacecraft crash could be toxicWinnipeg Free Press
Russia yet to make contact with Mars moon probeRIA Novosti

all 246 news articles »

cardiology
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Space Daily
malady
sans-serif”>

Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.
Amateur astronomers spot asteroid moving toward EarthBrahmand Defence and Aerospace News

all 7 news articles »

this
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Sydney Morning Herald
cardiologist
sans-serif”>

Debris Prompts Space Station Crew to Seek Shelter
NewsMax.com
The US military's Space Surveillance Network tracks objects as small as two inches in diameter in orbits close to Earth, such as where the space station flies, and about one yard in orbit in higher orbits.
Space Station Crew Scrambles as Debris Passes NearbyNew York Times
Space Junk Forces ISS Astronauts to Take Shelter in 'Lifeboat' CapsulesHuffington Post

all 600 news articles »

healthful
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Russia Races to Save Mars Moon Probe from Space Junk Fate
Space.com
"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage, sales
" Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in

Russia yet to make contact with Mars moon probeRIA Novosti

all 101 news articles »

pharm
sans-serif”>
Space Daily

Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.
Amateur skywatchers help space hazards teamScience Daily (press release)

all 7 news articles »

It was a pleasure to be invited to present at the AMOS conference. A very large audience with a really wide range of backgrounds, diabetes and pregnancy views and potential technical solutions.

I hope to go back again – although it’s a long way from Madrid!!

 

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sans-serif”>
Space Daily
cure sans-serif”>

Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, viagra 60mg
this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.

Amateur skywatchers help space hazards teamScience Daily (press release)

all 6 news articles »

disinfection
sans-serif”>
The Hindu
cialis
sans-serif”>

Military Tracks Errant Satellite for NASA
Department of Defense
The center, viagra dosage
which reports to US Strategic Command, also maintains “space situational awareness” in support of national security, said Jeremy Eggers, public affairs director for the operations center. As part of that mission, the center is gathering

Final Grave of Fallen NASA Satellite May Stay a MysterySpace.com
Dahlgren keeping an eye on dead satelliteFredericksburg.com (blog)
Vague Predictions as Satellite Falls to EarthVoice of America
Newswise (press release) –msnbc.com
all 5,774 news articles »

hospital
sans-serif”>
Sydney Morning Herald
try
sans-serif”>

Russia Races to Save Mars Moon Probe from Space Junk Fate
Space.com
"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage," Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in
Spacecraft crash could be toxicWinnipeg Free Press
Russia yet to make contact with Mars moon probeRIA Novosti

all 246 news articles »

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sans-serif”>
Space Daily
malady
sans-serif”>

Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.
Amateur astronomers spot asteroid moving toward EarthBrahmand Defence and Aerospace News

all 7 news articles »

this
sans-serif”>
Sydney Morning Herald
cardiologist
sans-serif”>

Debris Prompts Space Station Crew to Seek Shelter
NewsMax.com
The US military's Space Surveillance Network tracks objects as small as two inches in diameter in orbits close to Earth, such as where the space station flies, and about one yard in orbit in higher orbits.
Space Station Crew Scrambles as Debris Passes NearbyNew York Times
Space Junk Forces ISS Astronauts to Take Shelter in 'Lifeboat' CapsulesHuffington Post

all 600 news articles »

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Russia Races to Save Mars Moon Probe from Space Junk Fate
Space.com
"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage, sales
" Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in

Russia yet to make contact with Mars moon probeRIA Novosti

all 101 news articles »

pharm
sans-serif”>
Space Daily

Near-Earth Asteroid Discovered via Crowdsourcing
Discovery News
The ESA's Space Situational Awareness (SSA) program has scored its first hit. Although SSA astronomers have detected asteroids before, this is the first time that a near-Earth object (NEO) has been spotted by the group of volunteers.
Amateur skywatchers help space hazards teamScience Daily (press release)

all 7 news articles »

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online sans-serif”>

Russia Races to Save Mars Moon Probe from Space Junk Fate
Space.com
"The US Space Surveillance Network is tracking without difficulty both the Phobos-Grunt spacecraft and its associated Zenit 2 second stage," Nicholas Johnson, chief scientist at NASA's Orbital Debris Program Office at the Johnson Space Center in
Spacecraft crash could be toxicWinnipeg Free Press
Russia yet to make contact with Mars moon probeRIA Novosti

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I’m now getting ready for the 5th International Association for the Advancement of Space Safety (IAASS) conference which will be held in the beautiful French town of Versailles from the 17th to the 19th October.

As the conference outline says:

The fifth IAASS Conference “A Safer Space for a Safer World” is an invitation to reflect and exchange information on a number of topics in space safety and sustainability of national and international interest. The conference is also a forum to promote mutual understanding, hospital trust, population health and the widest possible international cooperation in such matters. The once exclusive “club” of nations with autonomous sub-orbital and orbital space access capabilities is becoming crowded with fresh, order and ambitious new entrants.

All of which means that ever more cooperation is needed in the fields of debris abatement, space surveillance and cooperation among space-faring entities. Indeed, this has been recognised in this year’s conference where there will be special sessions on debris remediation and space traffic control.

I’m really looking forward to this year’s event – the only problem is that there are four parallel sessions and I’d like to be able to divide my time between most of them!

If you are going to be there, please say “hello!”
I’m now getting ready for the 5th International Association for the Advancement of Space Safety (IAASS) conference which will be held in the beautiful French town of Versailles from the 17th to the 19th October.

As the conference outline says:

The fifth IAASS Conference “A Safer Space for a Safer World” is an invitation to reflect and exchange information on a number of topics in space safety and sustainability of national and international interest. The conference is also a forum to promote mutual understanding, abortion trust, caries and the widest possible international cooperation in such matters. The once exclusive “club” of nations with autonomous sub-orbital and orbital space access capabilities is becoming crowded with fresh, and ambitious new entrants.

All of which means that ever more cooperation is needed in the fields of debris abatement, space surveillance and cooperation among space-faring entities. Indeed, this has been recognised in this year’s conference where there will be special sessions on debris remediation and space traffic control.

I’m really looking forward to this year’s event – the only problem is that there are four parallel sessions and I’d like to be able to divide my time between most of them!

If you are going to be there, please say “hello!”
I’m now getting ready for the 5th International Association for the Advancement of Space Safety (IAASS) conference which will be held in the beautiful French town of Versailles from the 17th to the 19th October.

As the conference outline says:

The fifth IAASS Conference “A Safer Space for a Safer World” is an invitation to reflect and exchange information on a number of topics in space safety and sustainability of national and international interest. The conference is also a forum to promote mutual understanding, illness trust, buy and the widest possible international cooperation in such matters. The once exclusive “club” of nations with autonomous sub-orbital and orbital space access capabilities is becoming crowded with fresh, recipe and ambitious new entrants.

All of which means that ever more cooperation is needed in the fields of debris abatement, space surveillance and cooperation among space-faring entities. Indeed, this has been recognised in this year’s conference where there will be special sessions on debris remediation and space traffic control.

I’m really looking forward to this year’s event – the only problem is that there are four parallel sessions and I’d like to be able to divide my time between most of them!

If you are going to be there, please say “hello!”
I’m now getting ready for the 5th International Association for the Advancement of Space Safety (IAASS) conference which will be held in the beautiful French town of Versailles from the 17th to the 19th October.

As the conference outline says:

The fifth IAASS Conference “A Safer Space for a Safer World” is an invitation to reflect and exchange information on a number of topics in space safety and sustainability of national and international interest. The conference is also a forum to promote mutual understanding, pharmacy trust, this and the widest possible international cooperation in such matters. The once exclusive “club” of nations with autonomous sub-orbital and orbital space access capabilities is becoming crowded with fresh, youth health and ambitious new entrants.

All of which means that ever more cooperation is needed in the fields of debris abatement, space surveillance and cooperation among space-faring entities. Indeed, this has been recognised in this year’s conference where there will be special sessions on debris remediation and space traffic control.

I’m really looking forward to this year’s event – the only problem is that there are four parallel sessions and I’d like to be able to divide my time between most of them!

If you are going to be there, please say “hello!”
I’m now getting ready for the 5th International Association for the Advancement of Space Safety (IAASS) conference which will be held in the beautiful French town of Versailles from the 17th to the 19th October.

As the conference outline says:

The fifth IAASS Conference “A Safer Space for a Safer World” is an invitation to reflect and exchange information on a number of topics in space safety and sustainability of national and international interest. The conference is also a forum to promote mutual understanding, pharmacy trust, this and the widest possible international cooperation in such matters. The once exclusive “club” of nations with autonomous sub-orbital and orbital space access capabilities is becoming crowded with fresh, youth health and ambitious new entrants.

All of which means that ever more cooperation is needed in the fields of debris abatement, space surveillance and cooperation among space-faring entities. Indeed, this has been recognised in this year’s conference where there will be special sessions on debris remediation and space traffic control.

I’m really looking forward to this year’s event – the only problem is that there are four parallel sessions and I’d like to be able to divide my time between most of them!

If you are going to be there, please say “hello!”
Hello, cheap
and welcome to my personal pages on the internet.

Some background: I have been involved in flight dynamics, information pills
space situational awareness and orbital surveillance for the majority of my professional career. I have an academic background of aerospace engineering and business; a strange mix, but one that is becoming more common among those I work with.

Over the years, I have been fortunate enough to work with many talented people from many different backgrounds and in many different countries. I have been to almost every country in the Europe, most of the Middle East and a lot of both North and South America. Everywhere I go, regardless of nationality, beliefs or political orientation, I find people who are welcoming, hospitable and keen to exchange views on every (and any) topic.

At the moment I am working as a staff member in the European Space Agency. I’m leading the Space Surveillance and Tracking efforts of the fledgling Space Situational Awareness programme, where I have the great honour to guide the elements that I hope will be the foundations for the future European Space Surveillance system. There is a well-recognised need for a better understanding of what is in orbit and many people across Europe who have the will, talent and vision to put an efficient and effective system together.

Most of the information on this site is related to my work at the Agency, although don’t take this as a guarantee that there is nothing else here! One caveat is that any opinions or comments on this site are purely mine and don’t intend to be an official statement from the European Space Agency (or any other organisation for that matter!).



I’m now getting ready for the 5th International Association for the Advancement of Space Safety (IAASS) conference which will be held in the beautiful French town of Versailles from the 17th to the 19th October.

As the conference outline says:

The fifth IAASS Conference “A Safer Space for a Safer World” is an invitation to reflect and exchange information on a number of topics in space safety and sustainability of national and international interest. The conference is also a forum to promote mutual understanding, pharmacy trust, this and the widest possible international cooperation in such matters. The once exclusive “club” of nations with autonomous sub-orbital and orbital space access capabilities is becoming crowded with fresh, youth health and ambitious new entrants.

All of which means that ever more cooperation is needed in the fields of debris abatement, space surveillance and cooperation among space-faring entities. Indeed, this has been recognised in this year’s conference where there will be special sessions on debris remediation and space traffic control.

I’m really looking forward to this year’s event – the only problem is that there are four parallel sessions and I’d like to be able to divide my time between most of them!

If you are going to be there, please say “hello!”
Hello, cheap
and welcome to my personal pages on the internet.

Some background: I have been involved in flight dynamics, information pills
space situational awareness and orbital surveillance for the majority of my professional career. I have an academic background of aerospace engineering and business; a strange mix, but one that is becoming more common among those I work with.

Over the years, I have been fortunate enough to work with many talented people from many different backgrounds and in many different countries. I have been to almost every country in the Europe, most of the Middle East and a lot of both North and South America. Everywhere I go, regardless of nationality, beliefs or political orientation, I find people who are welcoming, hospitable and keen to exchange views on every (and any) topic.

At the moment I am working as a staff member in the European Space Agency. I’m leading the Space Surveillance and Tracking efforts of the fledgling Space Situational Awareness programme, where I have the great honour to guide the elements that I hope will be the foundations for the future European Space Surveillance system. There is a well-recognised need for a better understanding of what is in orbit and many people across Europe who have the will, talent and vision to put an efficient and effective system together.

Most of the information on this site is related to my work at the Agency, although don’t take this as a guarantee that there is nothing else here! One caveat is that any opinions or comments on this site are purely mine and don’t intend to be an official statement from the European Space Agency (or any other organisation for that matter!).



Jordi Fontdecaba i Baig, and
Francis Martinerie, visit this
Moise Sutter, practitioner
Vincent Martinot, Emmet Fletcher
European Space Surveillance Conference, 7-9 June 2011, Madrid, Spain. 

Following the decision at the Ministerial Council 2008 to initiate a Preparatory Programme on Space Situational Awareness, the European Space Agency has started a series of activities with the industry, implementing both classical design approaches: bottom-up and top-down. For Space Surveillance and Tracking, the bottom-up approach translates in particular into an activity in CO-VI consisting of an assessment of the existing European assets that can be used for tracking campaigns, both in low and high altitude regions. It addresses non only the technical performances of the assets but also the identification of their current operational constraints that could be in fine parts of a Service Level Agreement for their contribution in the future European SSA System.

In that context, this paper presents both aspects, addressing only the radar tracking campaigns i.e. the LEO region (a similar article is written on the high altitude region). During the campaigns, the following existing European radars – EISCAT and CAMRa – were used to track several satellites selected to cover a wide range of altitude and inclination in the LEO region. Two different campaigns were done to track the satellites. Orbit restitution was performed in order to characterise the role of the different observation parameters and to point out the best way to improve the orbit estimation performance with a single assets or with a combination of the different assets.

This paper describes the preparation of the campaigns as well as the results obtained, with particular focus on the first campaign. The campaigns were mainly driven by the availability of radar assets and the visibilities of the satellites. The precise orbit determination enabled the comparison of the different assets performance.

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